Properties of sound
Frequency and wavelength
Pressure vs particle movements
Near field vs far field
Frequencies and wavelengths in air
Acoustical property comparisons
Wavelength problem
Source movement
Phase shifts
Amplitude measurement
Sample sound pressure levels
Amplitude problems
Sound attenuation
Spherical spreading
Atmospheric attenuation
Acoustic impedence
Reflection and refraction
Diffraction
Scattering and wavelengths
Forests attenuate sound
Background noise can mask sounds
Email: gw10@umail.umd.edu
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